* {
    margin: 0;
    padding: 0;
}

input,textarea {
    outline: none;
}
textarea{
    resize: none;
}
a {
    text-decoration: none;
}

li {
    list-style: none;
}

button {
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    outline: none;
}


/* 头部导航条 */

#nav {
    width: 100%;
    position: fixed;
    height: 60px;
    left: 0;
    bottom: 0;
    right: 0;
    top: 0;
    color: white;
    background-color: #23262E;
}

.logo {
    font-size: 25px;
    float: left;
    padding-top: 10px;
    margin: 0 10px;
}

select {
    width: 150px;
    height: 25px;
    padding-right: 1.8rem;
    color: black;
    font-size: 1.6rem;
    border: none;
    outline: none;
    /*去掉默认的下拉三角*/
    appearance: none;
    padding-right: 14px;
    border: 1px solid #9bc0dd;
    border-radius: 2px;
}


/*清除ie的默认选择框样式清除，隐藏下拉箭头*/

select::-ms-expand {
    display: none;
}

.search {
    width: 200px;
    float: left;
    margin: 15px 50px;
}

.signout {
    float: right;
    color: white;
    padding-top: 20px;
    padding-right: 50px;
    font-size: 15px;
}


/* 侧边栏 */

#aside {
    top: 60px;
    background-color: #393D49;
    position: fixed;
    width: 12%;
    left: 0;
    z-index: 999;
    color: rgba(255, 255, 255, .7);
    bottom: 0;
}

#aside ul li {
    list-style: none;
    font-size: 17px;
    transition: all 0.3s;
    text-align: center;
    line-height: 50px;
    margin-right: 1px;
}

#aside li.active {
    background-color: #4E5465;
}

#aside ul li:hover {
    background-color: #4E5465;
}

#aside ul li a {
    display: block;
    color: rgba(255, 255, 255, .7);
}

#aside ul li a:hover {
    color: #fff;
}
/*内容*/
.fill {
    margin-left: 12%;
    margin-top: 60px;
    background-color:#F5F6F7 ;
    overflow: hidden;
}
.btn,
.detail {
    width: 45px;
    height: 35px;
    font-size: 12px;
    padding: 0 5px;
}
.download{
    width: 60px;
    margin:10px 65px;
}
input{
    height: 35px;
    width: 300px;
    border-radius: 4px;
    border: 1px solid #c8cccf;
    color: #6a6f77;
    margin: 10px;
}
.blog{
    width: 500px;
    height: 300px;
    word-wrap: break-word;
    border: 1px solid #c8cccf;
}
.photo{
    margin-left: 6%;
}
.photo img{
    color: red;
    width: 200px;
    border-radius:50%;
    height: 200px;
}
.round{
    margin-top: 150px;
}
.message{
    margin-left: 9%;
}
.foot{
    margin-left:25%;
}
.sumbit{
    width: 45px;
    height: 35px;
    background-color: orangered;
    color: white;
}
.goback{
    padding: 9px 10px;
    border-radius: 5px;
    background-color: #5BC0DE;
    color: white;
}
